/* karstinspection.com, 2026-10-21 */
@font-face{font-family:'Outfit';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/outfit-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Outfit';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/outfit-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'Outfit';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/outfit-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Outfit';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/outfit-latin-700-normal.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/ibm-plex-mono-latin-500-normal.woff2) format('woff2')}

:root{--bg:#04202a;--panel:#0a2d39;--panel2:#0e3542;--ink:#f7f4ed;--muted:#b7c2c3;--line:rgba(247,244,237,.14);
--amber:#e7ae4a;--orange:#f1873a;--cream:#f7f4ed;--cream2:#efe8da;--dink:#0b2630;--dmuted:#4d5f65;--dline:#ddd6c6}
*{box-sizing:border-box}
html{scroll-behavior:auto}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Outfit,system-ui,-apple-system,'Segoe UI',sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,video,svg{max-width:100%}
a{color:inherit}
h1,h2,h3{margin:0;line-height:1.12;font-weight:700;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(36px,5.2vw,62px)}
h2{font-size:clamp(28px,3.4vw,42px)}
h3{font-size:20px;font-weight:600}
p{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}
.top{position:sticky;top:0;z-index:5;background:rgba(4,32,42,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:24px;height:68px}
.brand img{height:90px;width:auto;display:block}
.links{display:flex;gap:22px;margin-left:auto;font-size:15px}
.links a{text-decoration:none;color:var(--muted)}
.links a:hover,.links a.on{color:var(--ink)}
.btn{display:inline-block;background:var(--amber);color:#04202a;text-decoration:none;font-weight:600;border-radius:999px;padding:12px 22px}
.btn.small{padding:9px 18px;font-size:15px}
.btn:hover{background:#f3c873}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--amber);margin-bottom:16px}
.kicker{font-family:'IBM Plex Mono',monospace;font-size:14px;color:var(--amber);margin-bottom:10px}
.kicker.dark{color:#9a5b0c}
.hero{padding:72px 0 64px}
.dhero{padding:40px 0 64px}
.hero-in{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.hero-copy{flex:1 1 440px;min-width:0}
.hero-media{flex:1 1 480px;min-width:0}
.hero-media video{width:100%;height:auto;display:block;border-radius:18px;border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(0,0,0,.7)}
.lead{font-size:20px;color:#dfe5e3;margin-top:20px;max-width:36rem}
.who{margin-top:14px;color:var(--muted)}
.sub-cta{margin-top:18px;font-size:15px}
.sub-cta a{color:var(--amber);text-decoration:none}
.crumb{margin-bottom:22px;font-size:15px}
.crumb a{color:var(--muted);text-decoration:none}
.stores{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.stores.center{justify-content:center}
.store{display:inline-flex;align-items:center;gap:10px;background:#000;color:#fff;border:1px solid rgba(255,255,255,.35);border-radius:10px;padding:8px 16px 8px 12px;text-decoration:none;line-height:1.15;font-weight:600;font-size:17px}
.store small{display:block;font-size:11px;font-weight:400;opacity:.85}
.store.soon{opacity:.55}
.proof{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.proof-in{display:flex;flex-wrap:wrap;gap:12px 40px;padding-top:36px;padding-bottom:36px}
.stat{flex:1 1 260px}
.num{font-size:52px;font-weight:700;color:var(--amber);line-height:1}
.stat p:not(.num){margin-top:8px;color:#dfe5e3}
.sec{padding:96px 0;scroll-margin-top:68px}
.sec.alt{background:var(--panel)}
.sec.light{background:var(--cream);color:var(--dink)}
.sec.light + .sec.light{padding-top:0}
.intro{margin-top:16px;max-width:44rem;color:var(--muted)}
.light .intro{color:var(--dmuted)}
.split{display:flex;flex-wrap:wrap;gap:56px;align-items:center}
.split-copy{flex:1 1 420px;min-width:0}
.split-copy p{margin-top:18px;color:#dfe5e3}
.split-media{flex:1 1 420px;min-width:0}
.muted{color:var(--muted)!important;font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{display:inline-block;color:#fff;font-weight:600;border-radius:12px;padding:10px 16px;font-size:16px;border:3px solid rgba(255,255,255,.92)}
.chip.sm{font-size:12px;padding:4px 10px;border-radius:8px;border-width:2px}
.photo{position:relative;margin:0;border-radius:18px;overflow:hidden;max-height:620px;border:1px solid var(--line)}
.photo img{display:block;width:100%;height:620px;object-fit:cover;object-position:50% 40%}
.card-over{position:absolute;left:20px;bottom:20px;max-width:300px;background:rgba(238,242,244,.96);color:#16232a;border-radius:14px;padding:14px 16px;min-width:230px;box-shadow:0 12px 30px rgba(0,0,0,.35)}
.co-row{display:flex;align-items:center;gap:10px}
.co-item{font-weight:600;font-size:15px}
.co-finding{font-size:15px;margin-top:6px}
.co-pin{display:flex;align-items:center;gap:6px;margin-top:10px;font-family:'IBM Plex Mono',monospace;font-size:11px;color:#5e6e76}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:40px}
.step{background:var(--panel2);border:1px solid var(--line);border-radius:16px;padding:26px}
.step-n{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--amber);color:#04202a;font-weight:700;margin-bottom:16px}
.step p{margin-top:10px;color:var(--muted)}
.cards4{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:40px}
.dcard{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden;text-decoration:none}
.dcard:hover{border-color:var(--amber)}
.dc-media{height:190px;background-size:cover;background-position:50% 35%}
.ph{background-size:cover;background-repeat:no-repeat}
.photo .ph{height:620px}
.pexrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:32px}
.pex{background:#eef2f4;color:#16232a;border-radius:16px;overflow:hidden}
.pex .ph{aspect-ratio:4/3}
.pex-body{padding:14px 16px 16px}
.pex-body p{margin-top:6px;font-size:15px}
.paper{margin:0;background:#fff;border-radius:14px;padding:14px;box-shadow:0 24px 50px -30px rgba(0,0,0,.8)}
.paper img{display:block;width:100%;height:auto;border-radius:4px}
.paper figcaption,.shot figcaption{font-size:13px;color:var(--dmuted);margin-top:10px}
.shot{margin:0 auto;max-width:440px}
.shot img{display:block;width:100%;height:auto;border-radius:22px;border:8px solid #0e1d22;box-shadow:0 30px 60px -30px rgba(0,0,0,.8)}
.shot figcaption{color:var(--muted);text-align:center}
.favs{background:#eef2f4;color:#16232a;border-radius:18px;padding:22px 22px 18px}
.favs-h{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.14em;color:#5e6e76}
.favs-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.favs-row span{background:#fff;border:1px solid #cfd6da;border-radius:999px;padding:9px 16px;font-size:15px}
.favs-row span.on{background:#0e7c8b;border-color:#0e7c8b;color:#fff}
.favs-cap{margin-top:14px;font-size:12px;color:#5e6e76}
.dc-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.dc-body p{color:var(--muted);font-size:15px}
.go{margin-top:auto;padding-top:8px;color:var(--amber);font-weight:600;font-size:15px}
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.ticks li{position:relative;padding-left:30px}
.ticks li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:9px;border-left:2.5px solid var(--amber);border-bottom:2.5px solid var(--amber);transform:rotate(-45deg)}
.ticks.dark li::before{border-color:#9a5b0c}
.split-media .ticks{background:var(--panel2);border:1px solid var(--line);border-radius:16px;padding:28px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;margin-top:40px;max-width:900px}
.plan{background:#fff;border:1px solid var(--dline);border-radius:18px;padding:30px;position:relative}
.plan.pro{border:2px solid #04202a}
.plan p{color:var(--dmuted);margin-top:8px}
.plan .ticks{margin-top:22px;font-size:15px}
.price{font-size:48px!important;font-weight:700;color:var(--dink)!important;line-height:1;margin-top:14px!important}
.price span{font-size:17px;font-weight:500;color:var(--dmuted);margin-left:6px}
.badge{position:absolute;top:-14px;right:22px;background:#04202a;color:var(--ink)!important;font-size:13px;font-weight:600;border-radius:999px;padding:5px 14px;margin:0!important}
.fine{font-size:13px;color:var(--muted);margin-top:22px;max-width:46rem}
.fine.dark{color:var(--dmuted)}
.learn{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:36px}
.lcard{background:#fff;border:1px solid var(--dline);border-radius:16px;padding:22px}
.lcard.first{background:#04202a;color:var(--ink);border-color:#04202a}
.lcard p{margin-top:8px;color:var(--dmuted);font-size:15px}
.lcard.first p{color:#dfe5e3}
.band{background:linear-gradient(120deg,#0a2d39,#04202a);border-top:1px solid var(--line);padding:72px 0}
.band-in{display:flex;flex-wrap:wrap;gap:24px 48px;align-items:center;justify-content:space-between}
.band-in > div:first-child{flex:1 1 420px}
.band p{margin-top:10px;color:var(--muted)}
.band .stores{margin-top:0}
.uses{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:36px}
.use{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px}
.use p{margin-top:10px;color:var(--muted);font-size:15px}
.steps.stack{grid-template-columns:1fr;gap:14px;margin-top:30px}
.steps.stack .step{display:flex;gap:16px;align-items:flex-start;padding:20px 22px}
.steps.stack .step-n{flex:none;margin:0}
.split-copy .steps.stack .step p{margin-top:6px;color:var(--muted)}
.step.hl{border-color:var(--amber)}
.rep-media{display:flex;flex-direction:column;align-items:center}
.rphone{padding:10px;border-radius:46px;background:#0e1d22;border:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(0,0,0,.8)}
.rscreen{width:290px;height:600px;border-radius:36px;overflow:hidden;background:#d6d9db}
.rstrip{display:block;width:290px;height:auto;max-width:none;animation:repscroll 28s ease-in-out infinite;will-change:transform}
.rcap{margin-top:14px;font-size:13px;color:var(--muted);text-align:center}
@media (prefers-reduced-motion:reduce){.rstrip{animation:none}}
.uses.five{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.ex-top{display:flex;align-items:center;gap:10px}
.ex-item{font-weight:600;font-size:15px}
.drawing{margin:0;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:#1d2326}
.drawing figcaption{font-size:13px;color:var(--muted);padding:10px 16px;background:var(--panel)}
.foot{background:#031820;border-top:1px solid var(--line);padding:48px 0 30px;font-size:15px;color:var(--muted)}
.foot-in{display:flex;flex-wrap:wrap;gap:24px 60px;justify-content:space-between}
.foot-brand{color:var(--ink);font-weight:600;margin-bottom:4px}
.foot-links{display:flex;flex-wrap:wrap;gap:10px 22px}
.foot-links a{text-decoration:none}
.foot-fine{margin-top:28px;max-width:1180px}   /* lines up with the footer above; .fine alone would centre a 46rem box */
a:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
@media (max-width:980px){.sec{scroll-margin-top:117px}.top-in{flex-wrap:wrap;height:auto;padding-top:12px;gap:10px 16px}.top-in .btn{margin-left:auto}.links{order:3;width:100%;margin-left:0;overflow-x:auto;white-space:nowrap;gap:18px;padding-bottom:12px;font-size:14px;scrollbar-width:none}.links::-webkit-scrollbar{display:none}}
@media (max-width:640px){.sec{padding:64px 0}.hero{padding:44px 0 48px}.photo img{height:440px}.lead{font-size:18px}.num{font-size:44px}}
@keyframes repscroll{0.00%{transform:translateY(0.0px);opacity:0}1.43%{transform:translateY(0.0px);opacity:1}7.14%{transform:translateY(0.0px);opacity:1}10.71%{transform:translateY(-378.9px);opacity:1}15.71%{transform:translateY(-378.9px);opacity:1}19.29%{transform:translateY(-757.9px);opacity:1}24.29%{transform:translateY(-757.9px);opacity:1}27.86%{transform:translateY(-1136.8px);opacity:1}32.86%{transform:translateY(-1136.8px);opacity:1}36.43%{transform:translateY(-1515.7px);opacity:1}41.43%{transform:translateY(-1515.7px);opacity:1}45.00%{transform:translateY(-1894.7px);opacity:1}50.00%{transform:translateY(-1894.7px);opacity:1}53.57%{transform:translateY(-2273.6px);opacity:1}58.57%{transform:translateY(-2273.6px);opacity:1}62.14%{transform:translateY(-2652.5px);opacity:1}67.14%{transform:translateY(-2652.5px);opacity:1}70.71%{transform:translateY(-3031.5px);opacity:1}75.71%{transform:translateY(-3031.5px);opacity:1}79.29%{transform:translateY(-3410.4px);opacity:1}84.29%{transform:translateY(-3410.4px);opacity:1}87.86%{transform:translateY(-3564.4px);opacity:1}92.86%{transform:translateY(-3564.4px);opacity:1}98.21%{transform:translateY(-3564.4px);opacity:1}100.00%{transform:translateY(-3564.4px);opacity:0}}
.ph-hero_plaza{background-image:url(img/hero_plaza.jpg)}
.ph-hero_sprays{background-image:url(img/hero_sprays.jpg)}
.ph-hero_culvert{background-image:url(img/hero_culvert.jpg)}
.ph-hero_siltfence{background-image:url(img/hero_siltfence.jpg)}
.ph-ex_tree{background-image:url(img/ex_tree.jpg)}
.ph-ex_wall{background-image:url(img/ex_wall.jpg)}
.ph-ex_swale{background-image:url(img/ex_swale.jpg)}
.ph-ex_decoder{background-image:url(img/ex_decoder.jpg)}
.ph-ex_valvebox{background-image:url(img/ex_valvebox.jpg)}
.ph-ex_headwall{background-image:url(img/ex_headwall.jpg)}
.ph-ex_roadcut{background-image:url(img/ex_roadcut.jpg)}
.ph-ex_ramp{background-image:url(img/ex_ramp.jpg)}
.ph-ex_inlet{background-image:url(img/ex_inlet.jpg)}
.ph-ex_riprap{background-image:url(img/ex_riprap.jpg)}
.ph-ex_bridge{background-image:url(img/ex_bridge.jpg)}